Figure 2

Differences (95% CIs) in SBP and DBP with BMI and Hb by trimesters of pregnancy. Differences were adjusted for age (continuous), ethnicity (Han, Zhuang, other), education (<12 years, ≥12 years), family income < US$ 3000 (yes, no), urban residence (yes, no), parity (0, 1, >1), folic acid supplement (yes, no), total cholesterol (continuous), triglycerides (continuous), and diabetes mellitus (yes, no). Comparing the high to the non-high categories: ^* P <0.05, ^** P <0.001.